.. _pylab_examples-fill_spiral: pylab_examples example code: fill_spiral.py =========================================== .. plot:: /home/tcaswell/source/p/matplotlib/doc/mpl_examples/pylab_examples/fill_spiral.py :: import matplotlib.pyplot as plt import numpy as np theta = np.arange(0, 8*np.pi, 0.1) a = 1 b = .2 for dt in np.arange(0, 2*np.pi, np.pi/2.0): x = a*np.cos(theta + dt)*np.exp(b*theta) y = a*np.sin(theta + dt)*np.exp(b*theta) dt = dt + np.pi/4.0 x2 = a*np.cos(theta + dt)*np.exp(b*theta) y2 = a*np.sin(theta + dt)*np.exp(b*theta) xf = np.concatenate((x, x2[::-1])) yf = np.concatenate((y, y2[::-1])) p1 = plt.fill(xf, yf) plt.show() Keywords: python, matplotlib, pylab, example, codex (see :ref:`how-to-search-examples`)